@incollection{ProellerSiegel2022,
  author    = {Isabella Proeller and John Siegel},
  title     = {'Tools' in public management},
  booktitle = {Elgar encyclopedia of public management},
  series    = {how efficiency and effectiveness are thought to be controlled},
  editor    = {Kuno Schedler},
  isbn      = {978-1-80037-548-2},
  doi       = {10.4337/9781800375499.tools},
  year      = {2022},
}